Table 3.
Post-Study System Usability Questionnaire scoresa.
| PSSUQb factor | Composite score, median (IQR) | Composite score of ≤3 equating to strongly agree, agree, or somewhat agree, n (%) | |||
|
|
Clinicians (n=7) | Family participants (n=5) | Clinicians (n=7) | Family participants (n=5) | |
| System usefulness | 2.0 (2.0-2.4) | 1.3 (1.0-1.5) | 7 (100) | 5 (100) | |
| Information quality | 3.0 (2.7-3.4) | 1.7 (1.0-2.0) | 4 (57) | 5 (100) | |
| Interface quality | 2.7 (2.3-3.2) | 1.5 (1.0-2.0) | 5 (71) | 4 (100)c | |
| Overall | 2.6 (2.2-2.9) | 1.4 (1.4-1.5) | 5 (71) | 5 (100) | |
aComposite scores are the mean of subcomponent scores on a 1-7 scale, with lower numbers indicating greater agreement.
bPSSUQ: Post-Study System Usability Questionnaire.
cOne family participant answered not applicable for all “interface quality” questions.